Drag-bar connection for grain-drills.



No. 795,248. PATBNTBD JULY 18, 1905. H. J. CASE. DRAG BAR CONNECTION FORGRAIN DRILLS.

APPLICATION FILED FEB. 25.1905.

UNTTED STATES Patented July 18, 1905.

PATENT Trice.

HENRY J. CASE, OF OIVASCO, NE'W YORK, ASSIGNOR TO INTERNATIONALHARVESTER COMPANY, A CORPORATION OF NEW JERSEY.

DRAG-BAR CONNECTION FOR GRAIN-DRILLS.

SPECIFICATION forming part of Letters Patent No. 795,248, dated July 18,1905.

Application filed February 26, 1905. Serial No. 247,392.

To aZZ whom it may concern..-

Be it known that I, HENRY J. CASE, a citizen of the United States,residing at the town of Owasco, in the county of Cayuga and State of NewYork, have invented certain new and useful Improvements in Drag-BarConnections for Grain-Drills, of which the following is a specification,reference being had to the accompanying drawings, forming a partthereof.

My invention relates to drag-bar connections for grain-drills; and itconsists in placing the axial line of the pivotal connection of thedrag-bars with the main frame of the machine at an angle greater than aright angle or diagonally with the line of draft or forward advance ofthe machine; and the object of the invention is to provide a connectionthat will change the angle of the furrow-opener relative to a verticalplane as they are adjusted to a higher or lower plane in the operationof the machine. It has been found desirable in the operation of thisclass of machines, and particularly those having revolving furrowopeningdisks, that such disks be placed at a slight angle with a vertical planefor the purpose of securing a better penetrating result between the diskand the soil, and also desirable that such angle be variable relative tothe depth of cut of the disks.

I attain the above result by the mechanism shown in the drawings anddescribed by the specification accompanying this application, in whichFigure 1 is a plan view of so much of a frame of a seeder with connecteddrag-bars suflicient to illustrate my invention, and Fig. 2 is a detailof the same.

Like reference numerals represent like parts.

3 represents a portion of the main frame of a seeder, and 4: representsdraft-brackets secured thereto. 5 represents the disk-supports, and 6represents the disks journaled thereon. The drag-bars, comprising twoparts 7 and 8, are secured at their rear ends to the disk-supports andat their forward ends are pivotally connected with the draft-brackets4.. The draft-brackets are substantially U-shaped and each leg isprovided with two holes for the reception of the bolts by which theforward ends of the drag-bars are con- The effect produced by thediagonally-arranged pivotal connection of the draft-bars upon thefurrow-opening disks is shown in Fig. 2, wherein the upright plane ofthe disk assumes various angles from the vertical plane as it is raisedor lowered. v

IVhat I claim as my invention, and desire to secure by Letters Patent.is

1. In a grain-drill, the combination of a furrow-opener, a drag-barhaving its rear end connected therewith and its forward end pivoted tothe frame of the machine, the axial line of the pivotal connection beingdiagonally arranged relative to the line of draft.

2. In a grain-drill, the combination of a furrow-opener, a drag-barcomprising two forwardly diverging members of unequal length havingtheir rear ends connected therewith and their forward ends connected bymeans of separate pivots with the frame of the machine and having one ofsaid pivots in advance of the other.

3. In a grain-drill, the combination of a plurality of furrow-openers,drag-bars connected therewith, each of said drag-bars comprising twoforwardly-diverging members of unequal length, a main frame member,draftbrackets substantially U-shaped secured thereto with their legportions projecting rearward and havingone short member and one longmember of separate drag-bars pivoted to each leg one in advance of theother.

In witness whereof I hereto affiX my signature in presence of twowitnesses.

HENRY J. CASE. Witnesses A. R. EBINGER, GEO. W. HENDERSON.

